convert vb to vb net

In our daily work, we often need to convert Excel documents into PDF documents. Are you in distress how to C #, VB. NET programming how to convert an Excel document to a PDF document? Do you look up a lot of data, use a lot of code, but the effect is still not ideal after the conversion? Don't worry, this article will

Because. NET provides a variety of development languages, such as C #, VB.. net, J #, etc. Developers usually only choose one of them for daily use and rarely use them together, except for Nb characters.It is essential to develop programs for reference. net implementation, if you directly look at

As we all know, Word is one of the most commonly used office software in our daily work, sometimes we need to convert Word documents to PDF and text for some kind of needs. So how to C#,VB. NET programming way to achieve this function?Below I will separately describe how to use the free version of Spire.doc for. NET co

Because of the working relationship, a VB. Net project needs to be converted to a C # project. This is just to share several conversion tools, not to praise such conversion; If it is not necessary, it is best not to convert it because it may bring unexpected problems. Tool 1: VB.

Part 1 Original article: Last month (vol. 2, issue 9), I gave an executive overview of the conversion process, and started looking at converting General VB6 code to VB. net. this month I will finish General conversions, including DLLs, then start on Database conversions. next month, in the final segment, I will cover converting ASP. net web pages, and look at

Event VB6: doevents VB. NET: system. Windows. Forms. application. doevents () Color VB6: command1.backcolor = vbred VB. NET: Command1.backcolor = system. Drawing. color. RedCommand1.backcolor = system. Drawing. color. fromargb ( h80c0ff) List in the combo box: VB6: combobox1.additem "one

VB. NET: query ID card information and VB. net id card information Sometimes we need to verify or check a person's ID card information. You can use the Baidu ID card query interface, including the extended information. To see http://apistore.baidu.com/apiworks/servicedetail/113.html You can see the random

[Note: The original alicloud post must point out the source of the original article link] Keywords: Visual Basic 6/Visual Basic. NET mobile programming, smartphone PDA Pocket PC, Palm OS, Sybian series60 Mobile Application Development Previously, we only knew that we could use VB to develop PPC platform applications in mobile application development. When I was looking for s60 development materials, I found

indicate VB. net is still using some functions of earlier VB versions; he said, "If VB. net is. in the. NET environment, why does a stream of development languages need to use functions in earlier

[Vb.net] XML File Parsing in VB. NET, vb. netparsingIntroduction Parsing XML files has always been time consuming and sometimes tricky.. NET framework provides powerful new ways of parsing XML. The varous techniques know to parse xml files with. NET framework are usingXmlTex

VB. NET WinForm: Get the User Name of the running program, vb. netwinform A program may be run by multiple users as follows:In the WinForm environment of VB. NET, how does one obtain the User Name?You can use the following method: Code:Public Shared Function GetProcessOwne

The simplest example of compiling and calling DLL in VB. NET, and the compiling example of vb. netdll DLL (Dynamic Link Library) is a very useful thing. It is very important to develop large projects, because when many people cooperate in development, they can assign a task to each person and use DLL to complete it, when combined, there will be no conflict. Here

VB. NET Winform and vb. netwinform Recently, a winform program is required for development. Use VB. NET to write. At the beginning of development, you need to implement a form set as a multi-Document Interface (MDI) Sub-form container. To implement this function, start to

In the VB project, reference "Microsoft Excel 11.0 Object" 11.0 as the version number. It is not important. The Excel2000 is 9.0. Declarative Variables Dim xlApp As Excel. ApplicationDim xlBook As Excel. WorkbookDim xlSheet As Excel. WorksheetSet xlApp = CreateObject ("Excel. Application ") Use TemplateSet xlBook = xlApp. Workbooks. Open (App. Path "common .xls ")On Error GoTo 0Set xlSheet = xlBook. Worksheets (1)XlApp. Visible = FalseXlSheet. Activa

VB.net can implement many functions that C # cannot do, such as when statement, optional parameter, local static variable, object instance access static method, handles binding event, on error handling exception, Object direct late binding, and so on. VB and C # belong to the same. NET language, compiled with the same CIL, but why VB support a lot of interesting

For a long time, VB has been ridiculed by some people because of its lack of perfect object-oriented support, lack of efficient error handling mechanism and poor performance. Vb. NET will completely change this situation. However, VB. NET in these aspects of the improvement

defined as follows:[Entry ("varptr"), hidden]Long _ stdcall varptr ([in] void * PTR );[Entry ("varptr"), hidden]Long _ stdcall strptr ([in] bstr ptr );[Entry ("varptr"), hidden]Long _ stdcall objptr ([in] iunknown * PTR );Even though they are the same function in the VB Runtime Library, we can re-declare these functions using APIs in VB, as shown below:Private declare function objptr lib "msvbvm60" alias "

In the work, you may encounter the need to migrate the code written in VB to VB. NET, there are a lot of details to deal. Fortunately, after so many years of Internet development, many questions have been answered on the Internet, so you can search for them to solve them. I have also encountered the migration from VB t

To elaborate on VB. NET (top) (Author: Green Apple Studio compiled March 07, 2001 14:47) Proposed by Microsoft Corporation. NET concept, is infiltrating into our life from all aspects. The role it will produce, as one industry expert describes: "Please forget what you think you know." NET will change everything! " Tha